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Asked: 2026-05-22T16:55:35+00:00

I am having the following XML: <?xml version=1.0?> <abc:Element1 xmlns:abc=http://…./resources/abc/v2/ …> <abc:Element2> <abc:Element3s> <abc:Element4

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I am having the following XML:

<?xml version="1.0"?>
    <abc:Element1 xmlns:abc="http://..../resources/abc/v2/"
         ...>
         <abc:Element2>
            <abc:Element3s>
                 <abc:Element4 name="name1"
                               resourceRef="name2"/>
            </abc:Element3s>
         </abc:Element2>

         <abc:Resources>
            <abc:Resource xsi:type="abc:Something"
                          name="name2"/>
         </abc:Resources>
     </abc:Element1>

… and this XSLT stylesheet:

<?xml version="1.0" encoding="UTF-8"?><xsl:stylesheet version="2.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:abc="http://.../resources/abc/v2/"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <xsl:template match="/">
     <checker name="something">
       <xsl:for-each select="abc:Element1/abc:Element2/abc:Element3s/abc:Element4">
        <xsl:variable name="resource" select="@resourceRef"/>
        <xsl:variable name="xsiType"><xsl:value-of select="//abc:Resource[@name=$resource]/@xsi:type"/></xsl:variable>
        <xsl:choose>
            <xsl:when test="$xsiType='abc:Something'">
               ...
            </xsl:when>
            <xsl:otherwise>
               ...
            </xsl:otherwise>
         </xsl:choose>
       </xsl:for-each>
     </checker>
   </xsl:template>
</xsl:stylesheet>

I am using XALAN 2.7.1 with org.apache.xalan.xsltc.trax.TransformerFactoryImpl (also tried with org.apache.xalan.processor.TransformerFactoryImpl -> same result) to transform the XML.

I expect the following line to store abc:Something in variable xsiType.

<xsl:variable name="xsiType"><xsl:value-of select="//abc:Resource[@name=$resource]/@xsi:type"/></xsl:variable>

but unfortunatley only Something (without namespace as prefix) is stored in xsiType. I verified this because 

<xsl:when test="$xsiType='abc:Something'">

is not true.

I also transformed the XMl using xsltproc and the resulting XML looks as expected. Therefore, I expect the input XML/XSLT stylesheet to be correct. I assume something is wrong with Xalan and its configuration.

Can anyone help?

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1 Answer

  1. Editorial Team

    Your sample data is not well-formed, so it’s difficult to tell. This is likely to be a namespace issues. Here’s a sanitized version of your input and stylesheet that extracts the data you want:

    <?xml version="1.0"?>
<abc:Element1
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:abc="http://resources/abc/v2">
    <abc:Element2>
        <abc:Element3s>
            <abc:Element4 name="name1" resourceRef="name2"/>
        </abc:Element3s>
    </abc:Element2>
    <abc:Resources>
        <abc:Resource xsi:type="abc:Something" name="name2"/>
    </abc:Resources>
</abc:Element1>

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
    xmlns:abc="http://resources/abc/v2"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    exclude-result-prefixes="abc xsi"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:template match="/">
        <xsl:variable name="resource" select="'name2'"/>
        <xsl:variable name="type"
            select="//abc:Resource[@name=$resource]/@xsi:type"/>
        <checker name="{ $type }"/>
    </xsl:template>
</xsl:stylesheet>

    This will produce:

    <?xml version="1.0"?>
<checker name="abc:Something"/>
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